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Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2